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Finding the Fourth Proportional to 522,268.61, 716,036.94 and 512,820.77

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Solution

The fourth proportional to 522,268.61, 716,036.94 and 512,820.77 is: 703,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,268.61 : 716,036.94 = 512,820.77 : x
  2. Step 2: Convert to fraction form
    522,268.61/716,036.94 = 512,820.77/x
  3. Step 3: Cross multiply
    522,268.61x = 716,036.94 × 512,820.77
  4. Step 4: Simplify right side
    522,268.61x = 367,198,611,339.06
  5. Step 5: Solve for x
    x = 367,198,611,339.06/522,268.61
  6. Step 6: Final answer
    x = 703,083.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.